{"id":"vidhyamitra:city-day:ayodhya:2168-09-21:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/2168-09-21","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2168-09-21","date_display":"September 21, 2168 CE","panchanga":{"method":"Sūrya Siddhānta + Bhāskara-II iterative manda + Kerala-school (Mādhava-Nīlakaṇṭha) evection + variation + annual equation","engine_version":"2.0 (Kerala-school enhanced)","accuracy_note":"Sub-degree on Moon at any Kali-Yuga date (~2-5° residual max)","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":2168,"month":9,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2513169.770833,"kali_year":5270,"ahargana":1924704.2708,"sun":{"sidereal_longitude":151.3564,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":16.3364,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":19,"name":"Caturthī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturthī","elongation_degrees":224.9799,"elapsed_within_tithi_degrees":8.9799},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1,"moon_longitude":16.3364,"elapsed_within_degrees":3.003},"yoga":{"number":13,"name":"Vyāghāta","sum_longitude":167.6928},"karana":{"half_tithi_index":37,"name":"Bālava"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"sky":{"method":"Sūrya-Siddhāntic Bhāskara-II 4-step iteration with atan2-based śīghra + varying peripheries + lunar latitude","engine_version":"3.0 (Pūrṇa — complete SS implementation)","tradition_sources":"Āryabhaṭīya 499 CE → SS Ch.1-5 Burgess 1860 → Siddhānta-Śiromaṇi Bhāskara II 1150 → Tantrasaṅgraha Nīlakaṇṭha 1501","input":{"year":2168,"month":9,"day":21,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2513169.770833,"ahargana":1924704.2708,"kali_year":5270,"ayanamsa_lahiri":26.2099,"grahas":{"sun":{"sidereal_longitude":152.50089100000002,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false},"moon":{"sidereal_longitude":17.230091000000016,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":2},"retrograde":false,"latitude":-4.0288},"mars":{"sidereal_longitude":188.03059099999996,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":132.888191,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":102.059191,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":false},"venus":{"sidereal_longitude":188.27059099999997,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":278.438091,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":79.9054,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":259.9054,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2},"retrograde":false}},"panchang":{"method":"Sūrya Siddhānta + Bhāskara-II iterative manda + Kerala-school (Mādhava-Nīlakaṇṭha) evection + variation + annual equation","engine_version":"2.0 (Kerala-school enhanced)","accuracy_note":"Sub-degree on Moon at any Kali-Yuga date (~2-5° residual max)","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":2168,"month":9,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2513169.770833,"kali_year":5270,"ahargana":1924704.2708,"sun":{"sidereal_longitude":151.3564,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":16.3364,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":19,"name":"Caturthī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturthī","elongation_degrees":224.9799,"elapsed_within_tithi_degrees":8.9799},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1,"moon_longitude":16.3364,"elapsed_within_degrees":3.003},"yoga":{"number":13,"name":"Vyāghāta","sum_longitude":167.6928},"karana":{"half_tithi_index":37,"name":"Bālava"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.029,"elongation":135.02},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.029,"opposition_distance":44.98}},"eclipse_window_40days":[]},"city":{"slug":"ayodhya","name":"Ayodhyā","lat":26.799,"lon":82.204,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"tier2":{"city":{"slug":"ayodhya","name":"Ayodhyā","lat":26.799,"lon":82.204,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"sunriseLocal":"05:49","sunsetLocal":"17:58","solarNoonLocal":"11:53","dayLengthHours":12.158975606085786,"dayLengthDisplay":"12 Hours 09 Mins 32 Secs","nightLengthDisplay":"11 Hours 50 Mins 28 Secs","moonriseLocal":"20:17","moonsetLocal":"09:28","rahuKala":{"name":"Rāhu Kāla","start":"11:53","end":"13:25","startHours":11.891191209954393,"endHours":13.411063160715116,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:20","end":"08:51","startHours":7.331575357672222,"endHours":8.851447308432945,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:22","end":"11:53","startHours":10.371319259193669,"endHours":11.891191209954393,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:39","end":"09:03","startHours":8.648797714998182,"endHours":9.054096901867709,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:19","end":"06:39","startHours":6.318327390498407,"endHours":6.642566739994028,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:29","end":"12:18","startHours":11.485892023084865,"endHours":12.296490396823916,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:11","end":"05:00","startHours":4.190506659433394,"endHours":5.001105033172446,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:48","end":"05:49","startHours":4.798455439737683,"endHours":5.811703406911499,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:55","end":"14:44","startHours":13.917687144302022,"endHours":14.728285518041075,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:46","end":"18:10","startHours":17.770679012997284,"endHours":18.170679012997283,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:58","end":"18:29","startHours":17.970679012997284,"endHours":18.477302996584193,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:43","end":"19:28","startHours":17.720679012997284,"endHours":19.470679012997284,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:29","end":"00:18","startHours":23.485892023084865,"endHours":24.29649039682392,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"05:49","end":"07:20","startHours":5.811703406911499,"endHours":7.331575357672222,"quality":"auspicious"},{"name":"Amṛta","start":"07:20","end":"08:51","startHours":7.331575357672222,"endHours":8.851447308432945,"quality":"auspicious"},{"name":"Kāla","start":"08:51","end":"10:22","startHours":8.851447308432945,"endHours":10.371319259193669,"quality":"inauspicious"},{"name":"Śubha","start":"10:22","end":"11:53","startHours":10.371319259193669,"endHours":11.891191209954393,"quality":"auspicious"},{"name":"Roga","start":"11:53","end":"13:25","startHours":11.891191209954393,"endHours":13.411063160715116,"quality":"inauspicious"},{"name":"Udveg","start":"13:25","end":"14:56","startHours":13.411063160715116,"endHours":14.930935111475836,"quality":"inauspicious"},{"name":"Chala","start":"14:56","end":"16:27","startHours":14.930935111475836,"endHours":16.45080706223656,"quality":"neutral"},{"name":"Labha","start":"16:27","end":"17:58","startHours":16.45080706223656,"endHours":17.970679012997284,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"17:58","end":"19:27","startHours":17.970679012997284,"endHours":19.45080706223656,"quality":"inauspicious"},{"name":"Chala","start":"19:27","end":"20:56","startHours":19.45080706223656,"endHours":20.930935111475836,"quality":"neutral"},{"name":"Labha","start":"20:56","end":"22:25","startHours":20.930935111475836,"endHours":22.411063160715116,"quality":"auspicious"},{"name":"Amṛta","start":"22:25","end":"23:53","startHours":22.411063160715116,"endHours":23.891191209954393,"quality":"auspicious"},{"name":"Kāla","start":"23:53","end":"01:22","startHours":23.891191209954393,"endHours":25.37131925919367,"quality":"inauspicious"},{"name":"Śubha","start":"01:22","end":"02:51","startHours":25.37131925919367,"endHours":26.851447308432945,"quality":"auspicious"},{"name":"Roga","start":"02:51","end":"04:20","startHours":26.851447308432945,"endHours":28.33157535767222,"quality":"inauspicious"},{"name":"Udveg","start":"04:20","end":"05:49","startHours":28.33157535767222,"endHours":29.811703406911498,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:49","end":"06:49","startHours":5.811703406911499,"endHours":6.811703406911499,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"06:49","end":"07:49","startHours":6.811703406911499,"endHours":7.811703406911499,"planetary_lord":"Venus"},{"name":"Hora 3","start":"07:49","end":"08:49","startHours":7.811703406911499,"endHours":8.811703406911498,"planetary_lord":"Sun"},{"name":"Hora 4","start":"08:49","end":"09:49","startHours":8.811703406911498,"endHours":9.811703406911498,"planetary_lord":"Mars"},{"name":"Hora 5","start":"09:49","end":"10:49","startHours":9.811703406911498,"endHours":10.811703406911498,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"10:49","end":"11:49","startHours":10.811703406911498,"endHours":11.811703406911498,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"11:49","end":"12:49","startHours":11.811703406911498,"endHours":12.811703406911498,"planetary_lord":"Moon"},{"name":"Hora 8","start":"12:49","end":"13:49","startHours":12.811703406911498,"endHours":13.811703406911498,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"13:49","end":"14:49","startHours":13.811703406911498,"endHours":14.811703406911498,"planetary_lord":"Venus"},{"name":"Hora 10","start":"14:49","end":"15:49","startHours":14.811703406911498,"endHours":15.811703406911498,"planetary_lord":"Sun"},{"name":"Hora 11","start":"15:49","end":"16:49","startHours":15.811703406911498,"endHours":16.811703406911498,"planetary_lord":"Mars"},{"name":"Hora 12","start":"16:49","end":"17:49","startHours":16.811703406911498,"endHours":17.811703406911498,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"17:49","end":"18:49","startHours":17.811703406911498,"endHours":18.811703406911498,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"18:49","end":"19:49","startHours":18.811703406911498,"endHours":19.811703406911498,"planetary_lord":"Moon"},{"name":"Hora 15","start":"19:49","end":"20:49","startHours":19.811703406911498,"endHours":20.811703406911498,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"20:49","end":"21:49","startHours":20.811703406911498,"endHours":21.811703406911498,"planetary_lord":"Venus"},{"name":"Hora 17","start":"21:49","end":"22:49","startHours":21.811703406911498,"endHours":22.811703406911498,"planetary_lord":"Sun"},{"name":"Hora 18","start":"22:49","end":"23:49","startHours":22.811703406911498,"endHours":23.811703406911498,"planetary_lord":"Mars"},{"name":"Hora 19","start":"23:49","end":"00:49","startHours":23.811703406911498,"endHours":24.811703406911498,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"00:49","end":"01:49","startHours":24.811703406911498,"endHours":25.811703406911498,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"01:49","end":"02:49","startHours":25.811703406911498,"endHours":26.811703406911498,"planetary_lord":"Moon"},{"name":"Hora 22","start":"02:49","end":"03:49","startHours":26.811703406911498,"endHours":27.811703406911498,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"03:49","end":"04:49","startHours":27.811703406911498,"endHours":28.811703406911498,"planetary_lord":"Venus"},{"name":"Hora 24","start":"04:49","end":"05:49","startHours":28.811703406911498,"endHours":29.811703406911498,"planetary_lord":"Sun"}],"taraBala":{"favorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Uttara Phalgunī","Hasta","Citrā","Svātī","Viśākhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Mithuna","Kanyā","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Karka","Siṃha","Vṛścika","Dhanu","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"East","rahuVasa":"South-West","anandadiYoga":{"name":"Padma","quality":"Auspicious"},"tropicalRitu":"Varṣā (Monsoon)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":0.5127238449444486,"eotMinutes":7.712527402736593,"ayanamsa":26.2099}},"calendars":{"vikram_samvat":2225,"vikram_samvatsara":"Vṛṣa","saka_samvat":2090,"saka_samvatsara":"Vibhava","bengali_samvat":1575,"malayalam_era":1344,"nanakshahi_year":699,"lunar_month":"Āśvina","lunar_month_paksha_full":"Āśvina Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Āśvina","lunar_month_amanta":"Bhādrapada","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Kanyā (Puraṭṭāsi)","ritu":"Śarad (Autumn)","display_summary":"Āśvina Kṛṣṇa Caturthī · Vikram 2225 Vṛṣa · Śaka 2090 Vibhava"},"festivals":[{"id":"sankashti-chaturthi","name":"Saṅkaṣṭī Caturthī","name_sanskrit":"सङ्कष्टी चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa","significance":"Monthly Gaṇeśa vrata.","vrata":true,"detection":{"tithi_number":19,"tithi_paksha":"Kṛṣṇa"},"precedence":6}],"todays_walk":{"walk":{"id":"budha-walk","name":"Budha Walk","name_sanskrit":"बुध यात्रा","type":"graha","description":"Discrimination + BG 2.41 (vyavasāyātmikā buddhi).","step_count":6,"url":"/walk/budha-walk"},"reason":"Budhavāra (Wednesday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"location_specific":"ayodhya"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga September 21, 2168 CE · Ayodhyā · Vidhyamitra","description":"September 21, 2168 CE for Ayodhyā: Kṛṣṇa Caturthī, sūryodaya 05:49, sūryāsta 17:58.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/2168-09-21","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/2168-09-21","sa":"https://sa.vidhyamitra.com/city/ayodhya/2168-09-21","hi":"https://hi.vidhyamitra.com/city/ayodhya/2168-09-21","x-default":"https://vidhyamitra.com/city/ayodhya/2168-09-21"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T02:07:58.404Z","verification":{"type":"multi-marker","confidence":"canonical"}},{"pillar":"Vidhyamitra-Tier2","pillar_version":"0.1.0","method":"Spherical astronomy + Lahiri ayanamsa + standard solar declination + EoT correction","retrieved_at":"2026-06-01T02:07:58.404Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T02:07:58.404Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}